/Engine/Source/Runtime/MessagingCommon/Public/MessageEndpoint.h
Sends a message with fields and expiration to the specified recipient after a given delay.
template<typename MessageType> void Send ( MessageType * Message, const [FMessageAddress](API\Runtime\Messaging\FMessageAddress) & Recipient, const [FTimespan](API\Runtime\Core\Misc\FTimespan) & Delay, const [FDateTime](API\Runtime\Core\Misc\FDateTime) & Expiration )